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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "H5Fmodule.h" /* This source code file is part of the H5F module */
/* Packages needed by this file... */
#include "H5private.h" /* Generic Functions */
#include "H5Eprivate.h" /* Error handling */
#include "H5Fpkg.h" /* File access */
/* PRIVATE PROTOTYPES */
/*-------------------------------------------------------------------------
* Function: H5F_fake_alloc
*
* Purpose: Allocate a "fake" file structure, for various routines to
* use for encoding/decoding data structures using internal API
* routines that need a file structure, but don't ultimately
* depend on having a "real" file.
*
* Return: Success: Pointer to 'faked up' file structure
* Failure: NULL
*
*-------------------------------------------------------------------------
*/
H5F_t *
H5F_fake_alloc(uint8_t sizeof_size)
{
H5F_t *f = NULL; /* Pointer to fake file struct */
H5F_t *ret_value = NULL; /* Return value */
FUNC_ENTER_NOAPI(NULL)
/* Allocate faked file struct */
if (NULL == (f = H5FL_CALLOC(H5F_t)))
HGOTO_ERROR(H5E_FILE, H5E_NOSPACE, NULL, "can't allocate top file structure");
if (NULL == (f->shared = H5FL_CALLOC(H5F_shared_t)))
HGOTO_ERROR(H5E_FILE, H5E_NOSPACE, NULL, "can't allocate shared file structure");
/* Only set fields necessary for clients */
if (sizeof_size == 0)
f->shared->sizeof_size = H5F_OBJ_SIZE_SIZE;
else
f->shared->sizeof_size = sizeof_size;
/* Set return value */
ret_value = f;
done:
if (!ret_value)
H5F_fake_free(f);
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5F_fake_alloc() */
/*-------------------------------------------------------------------------
* Function: H5F_fake_free
*
* Purpose: Free a "fake" file structure.
*
* Return: Success: non-negative
* Failure: negative
*
*-------------------------------------------------------------------------
*/
herr_t
H5F_fake_free(H5F_t *f)
{
FUNC_ENTER_NOAPI_NOINIT_NOERR
/* Free faked file struct */
if (f) {
/* Destroy shared file struct */
if (f->shared)
f->shared = H5FL_FREE(H5F_shared_t, f->shared);
f = H5FL_FREE(H5F_t, f);
} /* end if */
FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5F_fake_free() */
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